Political Polling in the Digital Age

The 2008 presidential election provided a "perfect storm" for pollsters. A significant portion of the population had exchanged their landlines for cellphones, which made them harder to survey. Additionally, a potential Bradley effect -- in which white voters misrepresent their intentions of voting for or against a black candidate -- skewed predictions, and aggressive voter registration and mobilization campaigns by Barack Obama combined to challenge conventional understandings about how to measu